| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 5 | Open Document | Open Filing | FORM 5 | 14 Feb 2022 | 31 Dec 2021 | 001-33757 |
| 5 | Open Document | Open Filing | FORM 5 | 12 Feb 2021 | 31 Dec 2020 | 001-33757 |
| 5 | Open Document | Open Filing | FORM 5 | 14 Feb 2020 | 31 Dec 2019 | 001-33757 |
| 5 | Open Document | Open Filing | FORM 5 | 14 Feb 2019 | 31 Dec 2018 | 001-33757 |
| 5 | Open Document | Open Filing | FORM 5 | 14 Feb 2018 | 31 Dec 2017 | 001-33757 |
| 5 | Open Document | Open Filing | FORM 5 | 14 Feb 2017 | 31 Dec 2016 | 001-33757 |
| 5 | Open Document | Open Filing | FORM 5 | 16 Feb 2016 | 31 Dec 2015 | 001-33757 |
| 4 | Open Document | Open Filing | FORM 4 | 17 Nov 2015 | 13 Nov 2015 | 001-33757 |
| 5 | Open Document | Open Filing | FORM 5 | 13 Feb 2015 | 31 Dec 2014 | 001-33757 |
| 5 | Open Document | Open Filing | FORM 5 | 14 Feb 2014 | 31 Dec 2013 | 001-33757 |
| SC 13G/A | Open Document | Open Filing | SC 13G/A | 14 Feb 2014 |